Viking® VK531, Model M, ELO, Special Application, 11.2K, Upright, QR, 3/4" NPT, Brass, 175 Degree 10633AD Fire Sprinkler Head 12973MF/W For use with Star flush

For use with Star flush fire sprinkler model numbers: S140 S150

Chemical and pressure is sealed in the agent cylinder

Viking Quick Response Ordinary Hazard Dry Horizontal Sidewall Fusible Link Sprinklers are thermosensitive spray sprinklers suitable for use in areas subject to freezing

399 Aluminum Escutcheon Cup - Available In Multiple Colors And Sizes

49-416-4-180

Viking® VK531, Model M, ELO, Special Application, 11.2K, Upright, QR, 3/4" NPT, Brass, 175 Degree 10633AD Fire Sprinkler Head 12973MF/W For use with Star flushViking VK531, Model M, ELO, Special Application, 11. 2K, Upright, QR, 3 4" NPT, Brass, 175 Degree 10633AD Fire Sprinkler Head The Viking Quick Response Extra Large Orifice Upright Sprinkler VK531 is a thermosensitive glass bulb spray sprinkler available in several different finishes and temperature ratings to meet design requirements. The extra large orifice provides greater flows at lower pressures than standard orifice or large orifice sprinklers.